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Service bulletin No 226-20-3

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10186358
Published by NHTSA2021-02-01
Manufacturer's numberNo 226-20-3
Manufacturer's date2021-01-08
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

NHTSA's summary

Instructions for clearing a Tire pressure monitoring system error message in the instrument cluster.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals, Tires, Tire pressure monitoring

Vehicles listed
PORSCHE CAYENNE2020, 2021
PORSCHE CAYMAN2020
PORSCHE MACAN2020, 2021
PORSCHE PANAMERA2020, 2021
PORSCHE redundant BOXSTER2020 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
No. 119-21-82021-10-06. Service bulletin. Porsche Workshop campaign repair instructions for Workshop Campaign WMG0 – Retrofitting Tire Pressure Monitoring (TPM) Control Unit.
No. 119-21-72021-10-06. Service bulletin. Porsche Workshop campaign repair instructions for Workshop Campaign WMG0 – Retrofitting Tire Pressure Monitoring (TPM) Control Unit.
No. 119-21-32021-10-06. Service bulletin. Porsche Workshop campaign repair instructions for Workshop Campaign WMG0 – Retrofitting Tire Pressure Monitoring (TPM) Control Unit.
No. 62-212021-08-04. Service bulletin. Porsche service campaign information for Workshop Campaign WMD2 - Teach Tire Pressure Monitoring (TPM) System Using the PIWIS Tester.
ATIALL416042021-06-28. Service bulletin. 2003 to Present All with tire pressure monitoring system.
WMD22021-06-03. Service bulletin. Porsche intranet posting with preliminary information for Porsche workshop campaign WMD2 Workshop Campaign - Teach Tire Pressure Monitoring (TPM) system using the PIWIS Tester.
No. 2001.12021-02-01. Service bulletin. Advanced Technical information on how to manually teach Tire Pressure Monitoring System if a Warning Occurs at PDI
122-H4T8S-032020-03-05. Service bulletin. Porsche intranet posting for Workshop campaign WKK2. WKK2 Workshop campaign - Re-programming Tire Pressure Monitoring (TPM) control unit
122-R3X2M-032020-03-05. Service bulletin. Repair manual for Workshop Campaign WKK2, which seeks to reprogram the TPMS control unit on affected Cayenne vehicles.